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Story, RDN, is the Director of Nutrition Education for Bariatric Advantage
The daily approved amount of vitamin B12 is not anticipated to cause major fetal harm or miscarriage
The three formulas the calculator uses: Concentration (mg/mL) = vial mg bacteriostatic water mL Units to draw = (target mcg (vial mg 1000)) water mL 100 Doses per vial = (vial mg 1000) target mcg, rounded down A 5 mg vial reconstituted with 2 mL of bacteriostatic water is 2.5 mg/mL, or 25 mcg per unit
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